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Finding the Fourth Proportional to 3,423.33, 5,133.78 and 1,343.25

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Solution

The fourth proportional to 3,423.33, 5,133.78 and 1,343.25 is: 2,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.33 : 5,133.78 = 1,343.25 : x
  2. Step 2: Convert to fraction form
    3,423.33/5,133.78 = 1,343.25/x
  3. Step 3: Cross multiply
    3,423.33x = 5,133.78 × 1,343.25
  4. Step 4: Simplify right side
    3,423.33x = 6,895,949.99
  5. Step 5: Solve for x
    x = 6,895,949.99/3,423.33
  6. Step 6: Final answer
    x = 2,014.40

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